What’s the Nearest Hundred?
Materials: set of numeral cards (0-9) or 3 number cubes
- Turn over 3numeral cards (or roll 3number cubes) to make a 3 - digit number.
- Identify the hundreds that your number falls between. Record the hundreds
and themidpoint between them on a number line. - Plot your 3-digit number on the number line.
- Which hundred is your number closer to? Justify your reasoning.
- Repeat five times.
- Describe any patterns you find to determine when to round to the lesser
hundred or round to the next hundred.
8 2
382 is between 300 and 400.
It would round to 400
because it is closer to 400
than 300.(^300350382400)
3
Example: